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Osteoporosis International
Published in: Osteoporosis International 5/2010

01-05-2010 | Original Article

Neovascular AMD: an overlooked risk factor for injurious falls

Authors: S. M. Szabo, P. A. Janssen, K. Khan, S. R. Lord, M. J. Potter

Published in: Osteoporosis International | Issue 5/2010

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Abstract

Summary

While those with neovascular age-related macular degeneration (NV-AMD) may be at increased risk of injurious falls risk due to poor central vision and suboptimal responses when falling, preserved peripheral vision and decreased activity levels may actually be protective. Compared with control participants, patients with NV-AMD had a significantly greater number of falls and almost twice the risk of injurious falls.

Introduction

Impaired vision, particularly peripheral visual function, is a key risk factor for injurious falls. NV-AMD is a leading cause of severely impaired vision among older adults but is associated with a profound central, rather than peripheral, deficit. The objective was to determine whether older women with NV-AMD are at an increased risk of falls or injurious falls.

Methods

We conducted a 12-month prospective cohort study of community-dwelling older (≥70 years) women, enrolling 114 with NV-AMD and 132 without from a retinal clinic in Vancouver, Canada. Fall incidence was determined through monthly telephone follow-up, with fall severity classified by a blinded reviewer. We compared mean injurious falls per person-year between groups using negative binomial regression.

Results

A mean of 0.37 injurious falls per person-year were experienced among NV-AMD participants, compared to 0.16 injurious falls per person-year among non-NV-AMD participants (p = 0.006). The age-adjusted incidence rate ratio for injurious falls, for an individual with NV-AMD compared to without, was 1.77 (1.07–3.02).

Conclusions

Older women with NV-AMD are at almost twice the risk of injurious falls compared to those without. Clinicians caring for older adults should recognise NV-AMD as an important risk factor for injurious falls.
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Metadata
Title
Neovascular AMD: an overlooked risk factor for injurious falls
Authors
S. M. Szabo
P. A. Janssen
K. Khan
S. R. Lord
M. J. Potter
Publication date
01-05-2010
Publisher
Springer-Verlag
Published in
Osteoporosis International / Issue 5/2010
Print ISSN: 0937-941X
Electronic ISSN: 1433-2965
DOI
https://doi.org/10.1007/s00198-009-1025-8

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